/* 活动英雄区域卡片 */
.event-hero {
  position: relative;
  height: 400px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
}

/* 比赛特定样式 */
.competition-rules {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.rule-item {
  margin-bottom: 1.5rem;
}

.rule-item h3 {
  color: #2c3e50;
  border-left: 4px solid #e74c3c;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.award-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border-top: 4px solid #3498db;
}

.award-card h4 {
  color: #2c3e50;
  margin-top: 0;
}

.highlight-box {
  background: #e3f2fd;
  border-left: 4px solid #1976d2;
  padding: 1rem;
  margin: 1.5rem 0;
}
